78361400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30139}}^1$

素因数の和:30168

約数の個数: 48

約数和(自身を含む): 196211400

約数和(自身を除く): 117850000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 30139, 60278, 120556, 150695, 241112, 301390, 391807, 602780, 753475, 783614, 1205560, 1506950, 1567228, 1959035, 3013900, 3134456, 3918070, 6027800, 7836140, 9795175, 15672280, 19590350, 39180700, 78361400]

約数ペア:

[(1, 78361400), (2, 39180700), (4, 19590350), (5, 15672280), (8, 9795175), (10, 7836140), (13, 6027800), (20, 3918070), (25, 3134456), (26, 3013900), (40, 1959035), (50, 1567228), (52, 1506950), (65, 1205560), (100, 783614), (104, 753475), (130, 602780), (200, 391807), (260, 301390), (325, 241112), (520, 150695), (650, 120556), (1300, 60278), (2600, 30139)]